/* Morse Tutor (/morse/). Builds on the landing.css tokens; scoped to .morse-page. */

.morse-page {
  --glass:rgb(var(--fg-rgb) / .035);
  --glass-strong:rgb(var(--fg-rgb) / .06);
  --ok:95 211 154;
  --bad:239 107 123;
  background:var(--theme-wash);
  background-attachment:fixed;
  overflow-x:hidden;
}
.morse-page main.morse {
  max-width:1180px;
  margin:0 auto;
  padding:8px 5% 40px;
}
.morse-page kbd {
  font:500 12px var(--font);
  padding:1px 6px;
  border-radius:6px;
  min-width:0;
  margin-inline-start:2px;
}
.morse-page .button kbd {
  background:rgb(var(--bg-rgb) / .12);
  border-color:currentColor;
  opacity:.7;
}
.morse-page .button {
  cursor:pointer;
  min-height:46px;
  padding:13px 22px;
}
.button-ghost {
  background:none;
  color:var(--muted);
  border:1px solid transparent;
}
.button-ghost:hover {
  color:var(--white);
  border-color:var(--line);
}
.morse-page .button:disabled {
  opacity:.4;
  cursor:default;
}
.morse-hint,.morse-help {
  color:var(--muted);
  line-height:1.55;
  font-size:15px;
  max-width:640px;
}

/* Header */
.morse-header {
  position:sticky!important;
  top:0;
  z-index:30;
  padding:16px 5%!important;
  background:linear-gradient(rgb(var(--bg-rgb) / .9),rgb(var(--bg-rgb) / .6));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgb(var(--fg-rgb) / .06);
}
.morse-header .wordmark {
  font-size:32px;
}
.morse-nav {
  display:flex;
  align-items:center;
  gap:6px;
  font-size:14px;
}
.morse-nav a {
  padding:9px 12px;
  border-radius:20px;
  color:var(--muted);
  transition:color .2s,background-color .2s;
}
.morse-nav a:hover {
  color:var(--white);
  background:var(--glass-strong);
}
.morse-icon-button {
  display:inline-grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--white);
  font:600 16px var(--display);
  cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.morse-icon-button:hover {
  border-color:var(--lilac);
  background:rgb(var(--accent-rgb) / .1);
}
.morse-icon-button svg {
  width:19px;
  height:19px;
}

/* Hero */
.morse-hero {
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
  padding:56px 0 36px;
}
.morse-hero h1 {
  font-size:clamp(46px,6.4vw,86px);
  line-height:.98;
  letter-spacing:-.055em;
  margin:0 0 22px;
}
.morse-hero h1 em {
  font-style:normal;
  background:linear-gradient(100deg,var(--white) 10%,var(--lilac) 60%,#8fd7ff);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.morse-lead {
  color:color-mix(in srgb,rgb(var(--fg-rgb)) 74%,rgb(var(--bg-rgb)));
  font-size:18px;
  line-height:1.6;
  max-width:560px;
}
.morse-lead strong {
  color:var(--white);
  font-weight:600;
}
.morse-hero-actions {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:30px;
}
.morse-hero-visual {
  position:relative;
  border-radius:28px;
  border:1px solid var(--line);
  background:
    radial-gradient(ellipse at 62% 45%,rgb(var(--accent-rgb) / .16),transparent 60%),
    linear-gradient(160deg,rgb(var(--fg-rgb) / .05),rgb(var(--fg-rgb) / .01));
  padding:26px 0 22px;
  overflow:hidden;
  box-shadow:0 30px 80px rgb(0 0 0 / .35),inset 0 1px 0 rgb(var(--fg-rgb) / .06);
}
.morse-hero-visual::before {
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgb(var(--fg-rgb) / .045) 1px,transparent 1px),linear-gradient(90deg,rgb(var(--fg-rgb) / .045) 1px,transparent 1px);
  background-size:28px 28px;
  mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);
  pointer-events:none;
}
.morse-hero-tape {
  position:relative;
  display:block;
  width:100%;
  height:190px;
}
.morse-hero-caption {
  position:relative;
  margin:6px 0 0;
  text-align:center;
  font:600 clamp(24px,3vw,36px)/1.1 var(--display);
  letter-spacing:.18em;
  text-transform:uppercase;
  min-height:1.1em;
}
.morse-hero-caption i {
  font-style:normal;
  color:rgb(var(--fg-rgb) / .16);
}
.morse-hero-caption b {
  font-weight:600;
  color:var(--white);
  text-shadow:0 0 22px rgb(var(--accent-rgb) / .8);
}

/* Stats */
.morse-stats {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-bottom:28px;
}
.morse-stat {
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border-radius:18px;
  border:1px solid var(--line);
  background:var(--glass);
}
.morse-stat strong {
  display:block;
  font:600 26px/1.05 var(--display);
  letter-spacing:-.02em;
}
.morse-stat span {
  font-size:13px;
  color:var(--muted);
}
.morse-ring {
  width:44px;
  height:44px;
  flex:none;
  transform:rotate(-90deg);
}
.morse-ring circle {
  fill:none;
  stroke:rgb(var(--fg-rgb) / .1);
  stroke-width:4;
}
.morse-ring circle[data-ring] {
  stroke:var(--lilac);
  stroke-linecap:round;
  transition:stroke-dashoffset .8s var(--ease-out);
  filter:drop-shadow(0 0 4px rgb(var(--accent-rgb) / .7));
}

/* App shell */
.morse-app {
  position:relative;
  border-radius:28px;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgb(var(--fg-rgb) / .05),rgb(var(--fg-rgb) / .015));
  box-shadow:0 30px 90px rgb(0 0 0 / .35),inset 0 1px 0 rgb(var(--fg-rgb) / .07);
  padding:18px 28px 34px;
  scroll-margin-top:84px;
  transition:box-shadow .15s;
}
body.is-signal .morse-app {
  box-shadow:0 30px 90px rgb(0 0 0 / .35),0 0 0 1px rgb(var(--accent-rgb) / .25),0 0 60px rgb(var(--accent-rgb) / .12),inset 0 1px 0 rgb(var(--fg-rgb) / .07);
}
.morse-tabs {
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  padding:4px;
}
.morse-tabs [role=tab] {
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid transparent;
  background:none;
  color:var(--muted);
  padding:10px 16px;
  border-radius:24px;
  font:550 15px var(--font);
  cursor:pointer;
  transition:color .2s,background-color .2s,border-color .2s;
}
.morse-tabs [role=tab] span {
  font:600 11px var(--display);
  letter-spacing:.06em;
  opacity:.6;
}
.morse-tabs [role=tab]:hover {
  color:var(--white);
}
.morse-tabs [role=tab][aria-selected=true] {
  color:var(--white);
  background:rgb(var(--accent-rgb) / .12);
  border-color:rgb(var(--accent-rgb) / .35);
}
.morse-speed {
  margin-inline-start:auto;
  font-size:13px;
  color:var(--muted);
  padding:8px 12px;
  border-radius:20px;
  border:1px solid var(--line);
}
.morse-tape-wrap {
  position:relative;
  margin:12px -28px 8px;
  border-top:1px solid rgb(var(--fg-rgb) / .06);
  border-bottom:1px solid rgb(var(--fg-rgb) / .06);
  background:linear-gradient(90deg,rgb(var(--bg-rgb) / .5),transparent 30%,transparent 70%,rgb(var(--bg-rgb) / .3)),rgb(var(--bg-rgb) / .35);
}
.morse-tape {
  display:block;
  width:100%;
  height:118px;
}
.morse-panel {
  padding-top:20px;
}
.morse-panel-head {
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
  margin-bottom:22px;
}
.morse-panel h2 {
  font-size:clamp(26px,3vw,36px);
  letter-spacing:-.03em;
  margin:0 0 8px;
}

/* Lessons */
.morse-lessons {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(176px,1fr));
  gap:12px;
  list-style:none;
  padding:0;
  margin:0;
}
.morse-lesson {
  position:relative;
  width:100%;
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-areas:"n stars" "letters letters" "best best";
  gap:10px 8px;
  text-align:start;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--glass);
  color:var(--white);
  cursor:pointer;
  transition:border-color .2s,background-color .2s,transform .2s var(--ease-out);
}
.morse-lesson:hover {
  border-color:rgb(var(--accent-rgb) / .6);
  background:rgb(var(--accent-rgb) / .07);
  transform:translateY(-2px);
}
.morse-lesson-n {
  grid-area:n;
  font:600 12px var(--display);
  color:var(--muted);
  letter-spacing:.08em;
}
.morse-lesson strong {
  grid-area:letters;
  font:600 26px/1 var(--display);
  letter-spacing:.12em;
}
.morse-lesson-stars {
  grid-area:stars;
  justify-self:end;
  font-size:13px;
  letter-spacing:2px;
}
.morse-lesson-stars i,.morse-stars i {
  font-style:normal;
  color:rgb(var(--fg-rgb) / .14);
}
.morse-lesson-stars i.on {
  color:#ffd76b;
  text-shadow:0 0 8px rgb(255 215 107 / .55);
}
.morse-lesson-best {
  grid-area:best;
  font-size:12px;
  color:var(--muted);
}
.morse-lesson.is-next {
  border-color:rgb(var(--accent-rgb) / .7);
  background:rgb(var(--accent-rgb) / .09);
  box-shadow:0 0 0 4px rgb(var(--accent-rgb) / .08),0 12px 40px rgb(var(--accent-rgb) / .12);
}
.morse-lesson.is-next .morse-lesson-best {
  color:var(--lilac);
}

/* Run */
.morse-run-head {
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:16px;
}
.morse-step {
  margin:0;
  font-size:14px;
  color:var(--lilac);
  white-space:nowrap;
}
.morse-progress {
  flex:1;
  height:4px;
  border-radius:4px;
  background:rgb(var(--fg-rgb) / .08);
  overflow:hidden;
}
.morse-progress span {
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--lilac),#8fd7ff);
  box-shadow:0 0 12px rgb(var(--accent-rgb) / .8);
  transition:width .4s var(--ease-out);
}
.morse-card {
  position:relative;
  display:grid;
  justify-items:center;
  align-content:center;
  gap:12px;
  min-height:260px;
  padding:34px 20px;
  border:1px solid var(--line);
  border-radius:24px;
  background:radial-gradient(ellipse at 50% 30%,rgb(var(--accent-rgb) / .08),transparent 70%),rgb(var(--bg-rgb) / .35);
  transition:border-color .25s,background-color .25s,box-shadow .15s;
  cursor:default;
}
body.is-signal .morse-card {
  border-color:rgb(var(--accent-rgb) / .55);
  box-shadow:0 0 0 1px rgb(var(--accent-rgb) / .2),0 0 50px rgb(var(--accent-rgb) / .18);
}
.morse-card.is-right {
  border-color:rgb(var(--ok) / .8);
  background:radial-gradient(ellipse at 50% 30%,rgb(var(--ok) / .16),transparent 70%),rgb(var(--bg-rgb) / .35);
}
.morse-card.is-wrong {
  border-color:rgb(var(--bad) / .8);
  background:radial-gradient(ellipse at 50% 30%,rgb(var(--bad) / .14),transparent 70%),rgb(var(--bg-rgb) / .35);
  animation:morse-shake .35s;
}
@keyframes morse-shake {
  25% { transform:translateX(-6px); }
  75% { transform:translateX(6px); }
}
.morse-letter {
  font:600 clamp(84px,12vw,140px)/1 var(--display);
  letter-spacing:-.02em;
  min-height:1em;
  text-shadow:0 0 40px rgb(var(--accent-rgb) / .35);
}
.morse-card.is-right .morse-letter { text-shadow:0 0 40px rgb(var(--ok) / .5); }
.morse-card.is-wrong .morse-letter { text-shadow:0 0 40px rgb(var(--bad) / .45); }
.morse-chant {
  font:500 20px var(--display);
  color:var(--muted);
  letter-spacing:.02em;
  min-height:1.3em;
}
.morse-code {
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  min-height:16px;
}
.morse-code > .morse-sent { opacity:.95; }
.morse-target,.morse-sent,.morse-shapes,.morse-code:not(:has(span)) {
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.morse-code i,.morse-shapes i {
  display:block;
  height:12px;
  width:12px;
  border-radius:12px;
  background:var(--white);
  box-shadow:0 0 12px rgb(var(--accent-rgb) / .7);
}
.morse-code i.dash,.morse-shapes i.dash {
  width:38px;
}
.morse-target i {
  background:none;
  box-shadow:none;
  border:1.5px dashed rgb(var(--fg-rgb) / .35);
}
.morse-sent i {
  background:var(--lilac);
}
.morse-card.is-right .morse-sent i { background:rgb(var(--ok)); box-shadow:0 0 12px rgb(var(--ok) / .7); }
.morse-card.is-wrong .morse-sent i { background:rgb(var(--bad)); box-shadow:0 0 12px rgb(var(--bad) / .7); }
.morse-choices {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px;
  margin:18px 0 4px;
}
.morse-choice {
  min-width:52px;
  min-height:52px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--glass);
  color:var(--white);
  font:600 20px var(--display);
  cursor:pointer;
  transition:border-color .15s,background-color .15s,transform .15s;
}
.morse-choice:hover {
  border-color:var(--lilac);
  transform:translateY(-2px);
}
.morse-choice.is-right {
  border-color:rgb(var(--ok));
  background:rgb(var(--ok) / .18);
}
.morse-choice.is-wrong {
  border-color:rgb(var(--bad));
  background:rgb(var(--bad) / .18);
}
.morse-help {
  text-align:center;
  margin:14px auto 0;
  min-height:1.5em;
}
.morse-actions {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.morse-actions-center {
  justify-content:center;
}
.morse-view[data-view=learn-run] .morse-actions {
  justify-content:center;
}

/* Result */
.morse-result {
  text-align:center;
  padding:24px 0 8px;
}
.morse-result h2 {
  font-size:clamp(40px,5vw,60px);
}
.morse-result .morse-hint {
  margin:0 auto;
}
.morse-result .morse-actions {
  justify-content:center;
}
.morse-stars {
  font-size:46px;
  letter-spacing:8px;
  margin-bottom:6px;
}
.morse-stars i {
  display:inline-block;
  animation:morse-pop .5s var(--d) both var(--ease-out);
}
.morse-stars i.on {
  color:#ffd76b;
  text-shadow:0 0 22px rgb(255 215 107 / .7);
}
@keyframes morse-pop {
  from { transform:scale(.2) rotate(-30deg); opacity:0; }
  70% { transform:scale(1.25); }
  to { transform:none; opacity:1; }
}
.morse-missed {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px;
  margin-top:22px;
}
.morse-missed .morse-hint {
  flex-basis:100%;
  margin:0 auto 4px;
  font-size:14px;
}
.morse-chip {
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgb(var(--bad) / .4);
  background:rgb(var(--bad) / .07);
  color:var(--white);
  cursor:pointer;
}
.morse-chip strong { font:600 20px var(--display); }
.morse-chip span { letter-spacing:.15em; }
.morse-chip em { font-style:normal; color:var(--muted); font-size:13px; }
.morse-chip small { color:rgb(var(--bad)); font-weight:600; }

/* Controls */
.morse-settings {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px 32px;
  margin:22px 0;
}
.morse-settings-narrow {
  max-width:420px;
  margin:28px auto 0;
}
.morse-settings label {
  display:grid;
  gap:10px;
  font-size:14px;
}
.morse-settings output {
  font-weight:650;
  color:var(--lilac);
}
.morse-page input[type=range] {
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  height:22px;
  background:none;
  cursor:pointer;
}
.morse-page input[type=range]::-webkit-slider-runnable-track {
  height:4px;
  border-radius:4px;
  background:rgb(var(--fg-rgb) / .14);
}
.morse-page input[type=range]::-moz-range-track {
  height:4px;
  border-radius:4px;
  background:rgb(var(--fg-rgb) / .14);
}
.morse-page input[type=range]::-webkit-slider-thumb {
  -webkit-appearance:none;
  width:18px;
  height:18px;
  margin-top:-7px;
  border-radius:50%;
  background:var(--white);
  box-shadow:0 0 0 4px rgb(var(--accent-rgb) / .3),0 0 14px rgb(var(--accent-rgb) / .6);
}
.morse-page input[type=range]::-moz-range-thumb {
  width:18px;
  height:18px;
  border:0;
  border-radius:50%;
  background:var(--white);
  box-shadow:0 0 0 4px rgb(var(--accent-rgb) / .3),0 0 14px rgb(var(--accent-rgb) / .6);
}
.morse-segmented {
  display:inline-flex;
  flex-wrap:wrap;
  gap:4px;
  padding:4px;
  border-radius:24px;
  border:1px solid var(--line);
  background:rgb(var(--bg-rgb) / .3);
}
.morse-segmented button {
  border:0;
  background:none;
  color:var(--muted);
  padding:8px 14px;
  border-radius:20px;
  font:550 14px var(--font);
  cursor:pointer;
}
.morse-segmented button[aria-checked=true] {
  background:var(--white);
  color:var(--on-accent);
}
.morse-checks {
  display:flex;
  flex-wrap:wrap;
  gap:14px 28px;
  margin:0 0 26px;
  font-size:14px;
}
.morse-switch {
  display:inline-flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
}
.morse-switch input {
  position:absolute;
  opacity:0;
}
.morse-switch span {
  position:relative;
  width:36px;
  height:20px;
  border-radius:20px;
  background:rgb(var(--fg-rgb) / .16);
  transition:background-color .2s;
}
.morse-switch span::after {
  content:"";
  position:absolute;
  top:2px;
  left:2px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--white);
  transition:transform .2s var(--ease-out);
}
.morse-switch input:checked + span {
  background:var(--lilac);
}
.morse-switch input:checked + span::after {
  transform:translateX(16px);
  background:var(--on-accent);
}
.morse-switch input:focus-visible + span {
  outline:2px solid var(--lilac);
  outline-offset:2px;
}

/* Receive */
.morse-field {
  display:grid;
  gap:10px;
  font-size:14px;
  color:var(--muted);
}
.morse-field textarea,.morse-translate-out {
  width:100%;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgb(var(--bg-rgb) / .4);
  color:var(--white);
  font:500 22px/1.55 var(--display);
  letter-spacing:.1em;
  resize:vertical;
}
.morse-field textarea:focus {
  outline:none;
  border-color:var(--lilac);
  box-shadow:0 0 0 4px rgb(var(--accent-rgb) / .12);
}
[data-receive-input] {
  text-transform:uppercase;
}
.morse-compare {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  text-align:start;
  margin-top:24px;
}
.morse-compare > div {
  padding:16px 18px;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgb(var(--bg-rgb) / .3);
}
.morse-compare span {
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--muted);
}
.morse-diff {
  margin:8px 0 0;
  font:500 20px/1.7 var(--display);
  letter-spacing:.1em;
  word-break:break-word;
}
.morse-group {
  margin-inline-end:.45em;
}
.morse-diff .is-miss {
  color:rgb(var(--bad));
  text-decoration:underline;
  text-underline-offset:5px;
}

/* Transmit */
.morse-transmit {
  max-width:720px;
  margin:0 auto;
}
.morse-feedback {
  min-height:1.6em;
  margin:16px 0 0;
  text-align:center;
  color:var(--muted);
}
.morse-feedback-start {
  text-align:start;
}
.morse-decoded {
  padding:22px;
  border:1px solid var(--line);
  border-radius:24px;
  background:rgb(var(--bg-rgb) / .35);
  min-height:180px;
}
.morse-decoded .morse-actions {
  margin-top:12px;
  justify-content:flex-end;
}
.morse-decoded-text {
  font:600 clamp(28px,4vw,44px)/1.25 var(--display);
  letter-spacing:.12em;
  word-break:break-word;
  min-height:1.3em;
}
.morse-partial {
  margin-inline-start:.4em;
  color:var(--lilac);
  letter-spacing:.2em;
  text-shadow:0 0 18px rgb(var(--accent-rgb) / .8);
}
.morse-placeholder {
  font:400 16px var(--font);
  letter-spacing:0;
  color:var(--muted);
}
.morse-key {
  position:relative;
  display:grid;
  place-items:center;
  width:min(100%,360px);
  height:150px;
  margin:22px auto 0;
  border:0;
  border-radius:30px;
  background:none;
  color:var(--muted);
  touch-action:none;
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
  cursor:pointer;
}
.morse-key-cap {
  position:absolute;
  inset:0 0 14px;
  border-radius:30px;
  background:linear-gradient(180deg,rgb(var(--fg-rgb) / .14),rgb(var(--fg-rgb) / .05));
  border:1px solid rgb(var(--fg-rgb) / .22);
  box-shadow:0 14px 0 rgb(var(--bg-rgb) / .9),0 14px 0 1px rgb(var(--fg-rgb) / .14),0 30px 40px rgb(0 0 0 / .4);
  transition:transform .06s,box-shadow .06s,background .1s;
}
.morse-key-label {
  position:relative;
  margin-bottom:14px;
  font-size:14px;
  pointer-events:none;
}
body.is-keying .morse-key-cap {
  transform:translateY(10px);
  background:linear-gradient(180deg,rgb(var(--accent-rgb) / .5),rgb(var(--accent-rgb) / .2));
  box-shadow:0 4px 0 rgb(var(--bg-rgb) / .9),0 4px 0 1px rgb(var(--accent-rgb) / .4),0 0 60px rgb(var(--accent-rgb) / .5);
}
body.is-keying .morse-key-label {
  color:var(--white);
  transform:translateY(10px);
}
.morse-key-small {
  height:110px;
  width:min(100%,300px);
}

/* Translator */
.morse-translate {
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:14px;
  align-items:stretch;
}
.morse-translate-out {
  display:block;
  min-height:166px;
  font-size:20px;
  letter-spacing:.06em;
  word-break:break-word;
}
.morse-tword {
  display:inline-flex;
  flex-wrap:wrap;
  gap:4px 14px;
}
.morse-tword span {
  letter-spacing:.12em;
}
.morse-tslash {
  margin:0 14px;
  color:var(--lilac);
}
.morse-swap {
  align-self:center;
  margin-top:28px;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--white);
  font-size:20px;
  cursor:pointer;
}
.morse-swap:hover {
  border-color:var(--lilac);
}

/* Guide */
.morse-guide {
  padding:90px 0 10px;
  scroll-margin-top:80px;
}
.morse-guide-intro {
  max-width:760px;
}
.morse-guide h2 {
  font-size:clamp(32px,4vw,52px);
  letter-spacing:-.04em;
  line-height:1.05;
  margin:0 0 18px;
}
.morse-guide-intro p,.morse-guide-text {
  color:color-mix(in srgb,rgb(var(--fg-rgb)) 74%,rgb(var(--bg-rgb)));
  font-size:17px;
  line-height:1.7;
  max-width:760px;
}
.morse-guide-text a {
  color:var(--lilac);
  text-decoration:underline;
  text-underline-offset:4px;
}
.morse-guide .morse-guide-h2 {
  font-size:clamp(26px,3vw,38px);
  margin-top:72px;
}
.morse-steps {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  list-style:none;
  counter-reset:step;
  padding:0;
  margin:36px 0 0;
}
.morse-steps li {
  counter-increment:step;
  padding:22px;
  border-radius:20px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--muted);
  line-height:1.6;
  font-size:15px;
}
.morse-steps li::before {
  content:"0" counter(step);
  display:block;
  font:600 12px var(--display);
  color:var(--lilac);
  letter-spacing:.1em;
  margin-bottom:14px;
}
.morse-steps strong {
  display:block;
  color:var(--white);
  font:600 19px var(--display);
  margin-bottom:6px;
}
.morse-chart {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(168px,1fr));
  gap:10px;
  margin-top:24px;
}
.morse-chart-item {
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-areas:"l s" "c c";
  align-items:center;
  gap:10px 14px;
  padding:14px 16px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--white);
  text-align:start;
  cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.morse-chart-item:hover {
  border-color:rgb(var(--accent-rgb) / .6);
}
.morse-chart-item strong {
  grid-area:l;
  font:600 26px/1 var(--display);
  min-width:22px;
}
.morse-chart-item .morse-shapes {
  grid-area:s;
  gap:5px;
}
.morse-chart-item .morse-shapes i {
  height:8px;
  width:8px;
  box-shadow:none;
}
.morse-chart-item .morse-shapes i.dash {
  width:24px;
}
.morse-chart-item em {
  grid-area:c;
  font-style:normal;
  font-size:13px;
  color:var(--muted);
}
.morse-chart-item.is-mastered::after {
  content:"";
  position:absolute;
  top:10px;
  right:10px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:rgb(var(--ok));
  box-shadow:0 0 8px rgb(var(--ok));
}
.morse-chart-item.is-playing {
  animation:morse-glow .9s;
}
@keyframes morse-glow {
  20% { border-color:var(--lilac); box-shadow:0 0 30px rgb(var(--accent-rgb) / .35); background:rgb(var(--accent-rgb) / .12); }
}
.morse-chart-compact {
  grid-template-columns:repeat(auto-fill,minmax(140px,1fr));
  max-height:min(70vh,640px);
  overflow:auto;
  margin-top:8px;
}
.morse-timing {
  display:grid;
  gap:10px;
  margin:26px 0 20px;
  max-width:560px;
}
.morse-timing-row {
  display:grid;
  grid-template-columns:150px 1fr;
  align-items:center;
  gap:18px;
}
.morse-timing-row p {
  margin:0;
  color:var(--muted);
}
.morse-timing-row strong {
  color:var(--white);
  margin-inline-end:8px;
}
.morse-timing-row span {
  height:12px;
  border-radius:12px;
}
.mt-dot { width:20px; background:var(--white); box-shadow:0 0 12px rgb(var(--accent-rgb) / .7); }
.mt-dash { width:60px; background:var(--white); box-shadow:0 0 12px rgb(var(--accent-rgb) / .7); }
.mt-gap1,.mt-gap3,.mt-gap7 { border:1.5px dashed rgb(var(--fg-rgb) / .3); }
.mt-gap1 { width:20px; }
.mt-gap3 { width:60px; }
.mt-gap7 { width:140px; }
.morse-faq {
  display:grid;
  gap:10px;
  max-width:820px;
  margin-top:20px;
}
.morse-faq details {
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--glass);
  padding:4px 20px;
}
.morse-faq summary {
  cursor:pointer;
  padding:14px 0;
  font:600 17px var(--display);
  list-style:none;
  display:flex;
  justify-content:space-between;
  gap:12px;
}
.morse-faq summary::after {
  content:"+";
  color:var(--lilac);
  transition:transform .2s;
}
.morse-faq details[open] summary::after {
  transform:rotate(45deg);
}
.morse-faq p {
  margin:0 0 16px;
  color:var(--muted);
  line-height:1.65;
}

/* Dialogs */
.morse-dialog {
  width:min(560px,calc(100vw - 32px));
  max-height:calc(100vh - 40px);
  padding:28px;
  border:1px solid rgb(var(--fg-rgb) / .16);
  border-radius:26px;
  background:radial-gradient(ellipse at 50% 0%,rgb(var(--accent-rgb) / .1),transparent 60%),color-mix(in srgb,var(--panel) 92%,transparent);
  color:var(--white);
  box-shadow:0 40px 120px rgb(0 0 0 / .6);
  overflow:auto;
}
.morse-dialog-wide {
  width:min(980px,calc(100vw - 32px));
}
.morse-dialog::backdrop {
  background:rgb(4 6 14 / .62);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.morse-dialog[open] {
  animation:morse-in .3s var(--ease-out);
}
@keyframes morse-in {
  from { opacity:0; transform:translateY(14px) scale(.98); }
}
.morse-dialog h2 {
  font-size:30px;
  letter-spacing:-.03em;
  line-height:1.1;
  margin:0 0 12px;
}
.morse-dialog h3 {
  font:600 13px var(--font);
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--muted);
  margin:26px 0 0;
}
.morse-dialog p {
  color:color-mix(in srgb,rgb(var(--fg-rgb)) 76%,rgb(var(--bg-rgb)));
  line-height:1.6;
}
.morse-dialog-head {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
}
.morse-dialog-head h2 {
  margin:0;
}
.morse-onb-dots {
  display:flex;
  gap:6px;
  margin-bottom:22px;
}
.morse-onb-dots i {
  height:4px;
  flex:1;
  border-radius:4px;
  background:rgb(var(--fg-rgb) / .12);
  transition:background-color .3s;
}
.morse-onb-dots i.on {
  background:var(--lilac);
  box-shadow:0 0 10px rgb(var(--accent-rgb) / .6);
}
.morse-onb-list {
  list-style:none;
  padding:0;
  margin:20px 0 8px;
  display:grid;
  gap:10px;
}
.morse-onb-list li {
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 14px;
  border-radius:14px;
  background:var(--glass);
  border:1px solid var(--line);
  font-size:15px;
}
.morse-onb-list span {
  display:grid;
  place-items:center;
  flex:none;
  width:32px;
  height:32px;
  border-radius:50%;
  background:rgb(var(--accent-rgb) / .14);
  color:var(--lilac);
}
.morse-play-test {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  width:100%;
  padding:20px;
  margin:16px 0 4px;
  border-radius:18px;
  border:1px solid rgb(var(--accent-rgb) / .5);
  background:rgb(var(--accent-rgb) / .1);
  color:var(--white);
  font:600 17px var(--display);
  cursor:pointer;
}
.morse-play-test span {
  display:grid;
  place-items:center;
  width:36px;
  height:36px;
  border-radius:50%;
  background:var(--white);
  color:var(--on-accent);
  font-size:13px;
}
body.is-signal .morse-play-test {
  box-shadow:0 0 40px rgb(var(--accent-rgb) / .4);
}
.morse-levels {
  display:grid;
  gap:10px;
  margin-top:18px;
}
.morse-level {
  display:grid;
  gap:4px;
  text-align:start;
  padding:16px 18px;
  border-radius:16px;
  border:1px solid var(--line);
  background:var(--glass);
  color:var(--white);
  cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.morse-level strong { font:600 17px var(--display); }
.morse-level span { font-size:14px; color:var(--muted); }
.morse-level:hover,.morse-level.is-chosen {
  border-color:var(--lilac);
  background:rgb(var(--accent-rgb) / .1);
}
.morse-onb-key {
  margin-top:14px;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgb(var(--bg-rgb) / .4);
  padding:8px 12px 18px;
}
.morse-onb-tape {
  display:block;
  width:100%;
  height:84px;
}
.morse-onb-result {
  text-align:center;
  font:600 22px var(--display);
  letter-spacing:.06em;
  color:var(--muted);
  min-height:1.4em;
}
.morse-onb-result span { letter-spacing:.2em; margin:0 .5em; }
.morse-onb-result.is-right { color:rgb(var(--ok)); text-shadow:0 0 18px rgb(var(--ok) / .6); }
.morse-onb-result.is-wrong { color:rgb(var(--bad)); }
.morse-keys {
  display:grid;
  gap:2px;
  margin:18px 0 0;
}
.morse-keys div {
  display:grid;
  grid-template-columns:150px 1fr;
  gap:16px;
  padding:9px 0;
  border-bottom:1px solid rgb(var(--fg-rgb) / .07);
}
.morse-keys dt { white-space:nowrap; }
.morse-keys dd { margin:0; color:var(--muted); font-size:14px; }
.morse-file {
  position:relative;
  overflow:hidden;
}
.morse-file input {
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
}
.morse-danger:hover {
  color:rgb(var(--bad));
  border-color:rgb(var(--bad) / .5);
}

/* Toasts, flash, burst */
.morse-toasts {
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:60;
  display:grid;
  gap:10px;
  pointer-events:none;
}
.morse-toast {
  display:flex;
  align-items:center;
  gap:14px;
  width:min(340px,calc(100vw - 40px));
  padding:14px 16px;
  border-radius:16px;
  border:1px solid rgb(var(--accent-rgb) / .4);
  background:color-mix(in srgb,var(--panel) 94%,transparent);
  box-shadow:0 20px 50px rgb(0 0 0 / .5),0 0 30px rgb(var(--accent-rgb) / .15);
  transform:translateY(20px);
  opacity:0;
  transition:transform .35s var(--ease-out),opacity .35s;
}
.morse-toast.is-in {
  transform:none;
  opacity:1;
}
.morse-toast-icon {
  display:grid;
  place-items:center;
  flex:none;
  width:36px;
  height:36px;
  border-radius:50%;
  background:rgb(var(--accent-rgb) / .16);
  color:#ffd76b;
  font-size:17px;
}
.morse-toast strong { font:600 15px var(--display); }
.morse-toast p { margin:2px 0 0; font-size:13px; color:var(--muted); }
.morse-toast p:empty { display:none; }
.morse-flash {
  position:fixed;
  inset:0;
  z-index:50;
  pointer-events:none;
  opacity:0;
  background:radial-gradient(ellipse at 50% 40%,rgb(var(--accent-rgb) / .28),rgb(var(--accent-rgb) / .06) 70%);
  transition:opacity .04s;
}
body.morse-flash-on.is-signal .morse-flash {
  opacity:1;
}
.morse-burst {
  position:fixed;
  z-index:70;
  pointer-events:none;
}
.morse-burst i {
  position:absolute;
  width:8px;
  height:8px;
  margin:-4px;
  border-radius:8px;
  background:var(--white);
  box-shadow:0 0 12px var(--lilac);
  animation:morse-burst 1s var(--ease-out) forwards;
  transform:rotate(var(--r));
}
.morse-burst i.dash {
  width:22px;
}
@keyframes morse-burst {
  to { transform:translate(var(--x),var(--y)) rotate(var(--r)); opacity:0; }
}

.morse-page .footer>p {
  max-width:440px;
}

/* Small screens */
@media(max-width:960px) {
  .morse-hero {
    grid-template-columns:1fr;
    gap:30px;
    padding-top:36px;
  }
  .morse-steps {
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:760px) {
  .morse-page main.morse {
    padding:0 16px 30px;
  }
  .morse-header {
    padding:12px 16px!important;
  }
  .morse-header .wordmark {
    font-size:28px;
  }
  .morse-nav a:not([href="#guide"]) {
    display:none;
  }
  .morse-hero h1 {
    font-size:46px;
  }
  .morse-lead {
    font-size:16px;
  }
  .morse-hero-tape {
    height:140px;
  }
  .morse-stats {
    grid-template-columns:1fr 1fr;
  }
  .morse-stat {
    padding:12px 14px;
  }
  .morse-stat strong {
    font-size:22px;
  }
  .morse-ring {
    width:36px;
    height:36px;
  }
  .morse-app {
    padding:10px 14px 24px;
    border-radius:22px;
  }
  .morse-tape-wrap {
    margin:8px -14px 4px;
  }
  .morse-tape {
    height:96px;
  }
  .morse-tabs {
    flex-wrap:nowrap;
    overflow-x:auto;
    scrollbar-width:none;
    margin:0 -10px;
    padding:4px 10px;
  }
  .morse-tabs [role=tab] {
    padding:9px 12px;
    font-size:14px;
    white-space:nowrap;
  }
  .morse-tabs [role=tab] span,.morse-speed {
    display:none;
  }
  .morse-panel-head {
    flex-direction:column;
    gap:14px;
  }
  .morse-lessons {
    grid-template-columns:1fr 1fr;
    gap:8px;
  }
  .morse-lesson {
    padding:14px;
  }
  .morse-lesson strong {
    font-size:21px;
  }
  .morse-card {
    min-height:210px;
    padding:24px 14px;
  }
  .morse-choice {
    min-width:46px;
    min-height:46px;
  }
  .morse-compare,.morse-translate {
    grid-template-columns:1fr;
  }
  .morse-swap {
    margin:0 auto;
    transform:rotate(90deg);
  }
  .morse-steps {
    grid-template-columns:1fr;
  }
  .morse-timing-row {
    grid-template-columns:90px 1fr;
  }
  .morse-dialog {
    padding:22px 18px;
  }
  .morse-keys div {
    grid-template-columns:110px 1fr;
  }
  .morse-actions .button {
    flex:1 1 auto;
  }
}
@media(prefers-reduced-motion:reduce) {
  .morse-page *,.morse-page *::before,.morse-page *::after {
    animation:none!important;
    transition:none!important;
  }
}

/* Fixes after review */
.morse-missed .morse-hint {
  max-width:none;
  text-align:center;
}
.morse-translate .morse-field {
  grid-template-rows:auto 1fr;
  align-content:stretch;
}
.morse-translate .morse-field textarea {
  height:100%;
  min-height:166px;
  margin:0;
}
.morse-dialog .morse-segmented {
  margin-bottom:18px;
}